Home / 6,971,946.31-9,621,519.55-3,874,600.21

Finding the Fourth Proportional to 6,971,946.31, 9,621,519.55 and 3,874,600.21

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Solution

The fourth proportional to 6,971,946.31, 9,621,519.55 and 3,874,600.21 is: 5,347,078.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,971,946.31 : 9,621,519.55 = 3,874,600.21 : x
  2. Step 2: Convert to fraction form
    6,971,946.31/9,621,519.55 = 3,874,600.21/x
  3. Step 3: Cross multiply
    6,971,946.31x = 9,621,519.55 × 3,874,600.21
  4. Step 4: Simplify right side
    6,971,946.31x = 37,279,541,668,949.11
  5. Step 5: Solve for x
    x = 37,279,541,668,949.11/6,971,946.31
  6. Step 6: Final answer
    x = 5,347,078.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.